About
PEPTIDE LINQ
PEPTIDE LINQ supplies research-grade peptides to laboratories, academic institutions, and qualified researchers worldwide. Every compound in our catalog is manufactured to stringent purity standards and independently verified by third-party analytical laboratories.
Our mission is simple: deliver the most reliable research compounds on the market, with full analytical transparency. We publish certificates of analysis for every product, every batch.
All products are sold strictly for in vitro research and laboratory use. None of our compounds are approved for human use, and we do not condone or support their use outside of a controlled research setting.
The PEPTIDE LINQ difference. Every reason to trust us.
Purity Verified
≥98% purity on all compounds, confirmed by HPLC analysis.
Batch Tested
Third-party COA available for every product and batch number.
Research Grade
Manufactured in ISO-compliant facilities to exacting standards.
Disclaimer
- PEPTIDE LINQ products are supplied strictly for laboratory research only.
- Not for human or veterinary use.
- Not for diagnostic or therapeutic applications.
Support
FAQ
No. All PEPTIDE LINQ products are for laboratory research only and are not for human or veterinary use. They are not approved by the FDA for therapeutic, diagnostic, or cosmetic use.
Yes — every product ships with a third-party Certificate of Analysis verifying purity, identity, and weight content. COAs are batch-specific and reflect the exact lot shipped. They are available for download on each product page.
Each COA includes a unique lot number and the testing laboratory's contact information. You can verify the results directly with Apex Analytics Lab using the lot number printed on your COA.
Every PEPTIDE LINQ compound is tested by independent third-party laboratories. Each batch undergoes HPLC and mass spectrometry (LC-MS) analysis to confirm identity and purity — typically ≥99%. Full Certificates of Analysis are provided for every order.
Our peptides ship lyophilized (freeze-dried) in sterile vials for maximum stability. Store at −20°C in a dry, dark environment. After reconstitution, refrigerate at 2–8°C and use within 28 days under proper aseptic laboratory conditions.
We currently offer tracked U.S. shipping with same-day dispatch on orders placed before 1PM EST. International shipping availability varies by destination and applicable regulations — please contact us before ordering.